MARVIN KONSTAM MD
NPI 1053428474
Internal Medicine - Cardiovascular Disease in Boston, MA
About Marvin Konstam Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARVIN KONSTAM MD (NPI 1053428474) is an individual cardiovascular disease provider in Boston, Massachusetts, licensed in Massachusetts (40385) and active in the NPI registry since August 2006. He is enrolled in Medicare PECOS, is affiliated with Melrosewakefield Healthcare, and is a graduate of Columbia University College Of Physicians And Surgeons (1975).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Marvin Konstam Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Marvin Konstam reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 133 clinicians in this Medicare group
Boston, MA 02111
- Reassigned Medicare billing, Massachusetts enrollment
- 334 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 4
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Melrosewakefield Healthcare
Acute Care Hospitals · Melrose, MATufts Medical Center
Acute Care Hospitals · Boston, MAMetrowest Medical Center
Acute Care Hospitals · Framingham, MAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02111 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
BOSTON, MA 02111
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Marvin Konstam's NPI number?
The NPI number for Marvin Konstam is 1053428474. It was assigned to this individual provider in the NPPES registry on August 23, 2006.
Where is Marvin Konstam located?
Marvin Konstam practices at 750 Washington St Nemc Box 836, Boston, MA 02111. The listed phone number is (617) 636-5000.
What is Marvin Konstam's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Marvin Konstam enrolled in Medicare?
Yes. Marvin Konstam is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Marvin Konstam's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marvin Konstam reassigns Medicare benefits to 2 organizations: Cardiovascular Center At Tufts Medical Center, Inc. (Boston, MA) and Pratt Medical Group, Inc (Boston, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marvin Konstam's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Marvin Konstam affiliated with any hospitals?
According to CMS data, Marvin Konstam is affiliated with Melrosewakefield Healthcare, Tufts Medical Center and Metrowest Medical Center.
When was this NPI record last updated?
The NPPES record for Marvin Konstam was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Marvin Konstam, MD · NPI 1053428474
Cardiovascular Disease physician in Boston, Massachusetts. Individual provider, active in the CMS NPPES registry since August 23, 2006.
## Identity
- **NPI:** 1053428474 (Entity type: Individual)
- **Enumerated:** August 23, 2006
- **Primary specialty:** Internal Medicine - Cardiovascular Disease · taxonomy 207RC0000X
- **State license:** 40385 (Massachusetts)
- **Sole proprietor:** No
## Practice location
- **Address:** 750 WASHINGTON ST, NEMC BOX 836, Boston, MA 02111-1526
- **Phone:** (617) 636-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Cardiovascular Center At Tufts Medical Center, Inc. (NPI 1447764253, Boston, MA); Pratt Medical Group, Inc (NPI 1013237809, Boston, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 1975
## Record status
- **NPPES last updated:** July 8, 2007
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Source: [NPI Profile](https://npiprofile.com/npi/1053428474) · Data from the CMS NPPES public registry.